﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;

namespace ImbedLibrary
{
    public class PinYin
    {
        ///  <summary>  
        /// 定义拼音区编码数组  
        ///  </summary>  
        private static int[] pyValue = new int[]  
                 {  
                 -20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036,  
                 -20032,-20026,-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763,  
                 -19756,-19751,-19746,-19741,-19739,-19728,-19725,-19715,-19540,-19531,-19525,-19515,  
                 -19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,-19261,-19249,  
                 -19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006,  
                 -19003,-18996,-18977,-18961,-18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735,  
                 -18731,-18722,-18710,-18697,-18696,-18526,-18518,-18501,-18490,-18478,-18463,-18448,  
                 -18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183, -18181,-18012,  
                 -17997,-17988,-17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752,  
                 -17733,-17730,-17721,-17703,-17701,-17697,-17692,-17683,-17676,-17496,-17487,-17482,  
                 -17468,-17454,-17433,-17427,-17417,-17202,-17185,-16983,-16970,-16942,-16915,-16733,  
                 -16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,-16452,-16448,  
                 -16433,-16429,-16427,-16423,-16419,-16412,-16407,-16403,-16401,-16393,-16220,-16216,  
                 -16212,-16205,-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959,-15958,-15944,  
                 -15933,-15920,-15915,-15903,-15889,-15878,-15707,-15701,-15681,-15667,-15661,-15659,  
                 -15652,-15640,-15631,-15625,-15454,-15448,-15436,-15435,-15419,-15416,-15408,-15394,  
                 -15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180,-15165,-15158,-15153,-15150,  
                 -15149,-15144,-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109,  
                 -14941,-14937,-14933,-14930,-14929,-14928,-14926,-14922,-14921,-14914,-14908,-14902,  
                 -14894,-14889,-14882,-14873,-14871,-14857,-14678,-14674,-14670,-14668,-14663,-14654,  
                 -14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353,-14345,  
                 -14170,-14159,-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112,  
                 -14109,-14099,-14097,-14094,-14092,-14090,-14087,-14083,-13917,-13914,-13910,-13907,  
                 -13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831,-13658,-13611,-13601,  
                 -13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343,  
                 -13340,-13329,-13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076,  
                 -13068,-13063,-13060,-12888,-12875,-12871,-12860,-12858,-12852,-12849,-12838,-12831,  
                 -12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,-12320,-12300,  
                 -12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798,  
                 -11781,-11604,-11589,-11536,-11358,-11340,-11339,-11324,-11303,-11097,-11077,-11067,  
                 -11055,-11052,-11045,-11041,-11038,-11024,-11020,-11019,-11018,-11014,-10838,-10832,  
                 -10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,-10329,-10328,  
                 -10322,-10315,-10309,-10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254  
                 };
        ///  <summary>  
        /// 定义数组  
        ///  </summary>  
        private static string[] pyName = new string[]  
                 {  
                 "A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben",  
                 "Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","Cai","Can",  
                 "Cang","Cao","Ce","Ceng","Cha","Chai","Chan","Chang","Chao","Che","Chen","Cheng",  
                 "Chi","Chong","Chou","Chu","Chuai","Chuan","Chuang","Chui","Chun","Chuo","Ci","Cong",  
                 "Cou","Cu","Cuan","Cui","Cun","Cuo","Da","Dai","Dan","Dang","Dao","De",  
                 "Deng","Di","Dian","Diao","Die","Ding","Diu","Dong","Dou","Du","Duan","Dui",  
                 "Dun","Duo","E","En","Er","Fa","Fan","Fang","Fei","Fen","Feng","Fo",  
                 "Fou","Fu","Ga","Gai","Gan","Gang","Gao","Ge","Gei","Gen","Geng","Gong",  
                 "Gou","Gu","Gua","Guai","Guan","Guang","Gui","Gun","Guo","Ha","Hai","Han",  
                 "Hang","Hao","He","Hei","Hen","Heng","Hong","Hou","Hu","Hua","Huai","Huan",  
                 "Huang","Hui","Hun","Huo","Ji","Jia","Jian","Jiang","Jiao","Jie","Jin","Jing",  
                 "Jiong","Jiu","Ju","Juan","Jue","Jun","Ka","Kai","Kan","Kang","Kao","Ke",  
                 "Ken","Keng","Kong","Kou","Ku","Kua","Kuai","Kuan","Kuang","Kui","Kun","Kuo",  
                 "La","Lai","Lan","Lang","Lao","Le","Lei","Leng","Li","Lia","Lian","Liang",  
                 "Liao","Lie","Lin","Ling","Liu","Long","Lou","Lu","Lv","Luan","Lue","Lun",  
                 "Luo","Ma","Mai","Man","Mang","Mao","Me","Mei","Men","Meng","Mi","Mian",  
                 "Miao","Mie","Min","Ming","Miu","Mo","Mou","Mu","Na","Nai","Nan","Nang",  
                 "Nao","Ne","Nei","Nen","Neng","Ni","Nian","Niang","Niao","Nie","Nin","Ning",  
                 "Niu","Nong","Nu","Nv","Nuan","Nue","Nuo","O","Ou","Pa","Pai","Pan",  
                 "Pang","Pao","Pei","Pen","Peng","Pi","Pian","Piao","Pie","Pin","Ping","Po",  
                 "Pu","Qi","Qia","Qian","Qiang","Qiao","Qie","Qin","Qing","Qiong","Qiu","Qu",  
                 "Quan","Que","Qun","Ran","Rang","Rao","Re","Ren","Reng","Ri","Rong","Rou",  
                 "Ru","Ruan","Rui","Run","Ruo","Sa","Sai","San","Sang","Sao","Se","Sen",  
                 "Seng","Sha","Shai","Shan","Shang","Shao","She","Shen","Sheng","Shi","Shou","Shu",  
                 "Shua","Shuai","Shuan","Shuang","Shui","Shun","Shuo","Si","Song","Sou","Su","Suan",  
                 "Sui","Sun","Suo","Ta","Tai","Tan","Tang","Tao","Te","Teng","Ti","Tian",  
                 "Tiao","Tie","Ting","Tong","Tou","Tu","Tuan","Tui","Tun","Tuo","Wa","Wai",  
                 "Wan","Wang","Wei","Wen","Weng","Wo","Wu","Xi","Xia","Xian","Xiang","Xiao",  
                 "Xie","Xin","Xing","Xiong","Xiu","Xu","Xuan","Xue","Xun","Ya","Yan","Yang",  
                 "Yao","Ye","Yi","Yin","Ying","Yo","Yong","You","Yu","Yuan","Yue","Yun",  
                 "Za", "Zai","Zan","Zang","Zao","Ze","Zei","Zen","Zeng","Zha","Zhai","Zhan",  
                 "Zhang","Zhao","Zhe","Zhen","Zheng","Zhi","Zhong","Zhou","Zhu","Zhua","Zhuai","Zhuan",  
                 "Zhuang","Zhui","Zhun","Zhuo","Zi","Zong","Zou","Zu","Zuan","Zui","Zun","Zuo"  
                 };
        ///  <summary>  
        /// 汉字转换  
        ///  </summary>  
        ///  <param name="hzString"> </param>  
        ///  <returns> </returns>  
        public static string Convert(string hzString)
        {
            return Convert(hzString, hzString.Length);
        }

        /// <summary> 
        /// 把汉字转换成拼音(全拼) 
        /// </summary> 
        /// <param name="hzString">汉字字符串</param> 
        /// <returns>转换后的拼音(全拼)字符串</returns> 
        public static string Convert(string hzString, int maxLength)
        {
            if (string.IsNullOrEmpty(hzString))
                return null;
            if (maxLength <= 1)
                maxLength = hzString.Length;
            hzString = hzString.Trim().Replace(" ", "").Replace("?", "_").Replace("\\", "_").Replace("/", "_").Replace(":", "").Replace("*", "").Replace(">", "").Replace("<", "").Replace("?", "").Replace("|", "").Replace("\"", "’ˉ").Replace("(", "_").Replace(")", "_").Replace(";", "_");
            hzString = hzString.Replace("，?", ",").Replace("；?", "_").Replace("。￡", "_").Replace("”±", "").Replace("“°", "").Replace("[", "").Replace("]", "").Replace("【?", "").Replace("】?", "");
            hzString = hzString.Replace("{", "").Replace("}", "").Replace("^", "").Replace("&", "_").Replace("=", "").Replace("~", "_").Replace("@", "_").Replace("￥¤", "");
            if (hzString.Length > maxLength)
            {
                hzString = hzString.Substring(0, maxLength);
            }
            Regex regex = new Regex(@"([a-zA-Z0-9\._]+)", RegexOptions.IgnoreCase);
            if (regex.IsMatch(hzString))
            {
                if (hzString.Equals(regex.Match(hzString).Groups[1].Value, StringComparison.OrdinalIgnoreCase))
                {
                    return hzString;
                }
            }
            // 匹配中文字符 
            regex = new Regex("^[\u4e00-\u9fa5]$");
            byte[] array = new byte[2];
            string pyString = "";
            int chrAsc = 0;
            int i1 = 0;
            int i2 = 0;
            char[] noWChar = hzString.ToCharArray();
            for (int j = 0; j < noWChar.Length; j++)
            {
                // 中文字符 
                if (regex.IsMatch(noWChar[j].ToString()))
                {
                    array = System.Text.Encoding.Default.GetBytes(noWChar[j].ToString());
                    i1 = (short)(array[0]);
                    //如果运行环境为英文系统,则必须要把 区域与语言 Administrative 选项卡中的 Language for non-Unicode programs 设置为Chinese(Simplified,PRC)
                    //否则将会出现数组异常
                    //array.lenght 只为 1
                    i2 = (short)(array[1]);
                    chrAsc = i1 * 256 + i2 - 65536;
                    if (chrAsc > 0 && chrAsc < 160)
                    {
                        pyString += noWChar[j];
                    }
                    else
                    {
                        // 修正部分文字 
                        if (chrAsc == -9254) // 修正“圳”字 
                            //pyString += "Zhen"; //显示全拼
                            pyString += "Z";    //显示首字母
                        else
                        {
                            for (int i = (pyValue.Length - 1); i >= 0; i--)
                            {
                                if (pyValue[i] <= chrAsc)
                                {
                                    //pyString += pyName[i];//显示全拼
                                    if (pyName[i].Length == 1)
                                        pyString += pyName[i];
                                    else
                                        pyString += pyName[i].Remove(1);//显示首字母 
                                    break;
                                }
                            }
                        }
                    }
                }
                // 非中文字符 
                else
                {
                    pyString += noWChar[j].ToString();
                }
            }
            return pyString;
        }



        /// <summary>
        /// 汉字转拼音缩写
        /// Code By MuseStudio@hotmail.com
        /// 2004-11-30
        /// </summary>
        /// <param name="str">要转换的汉字字符串</param>
        /// <returns>拼音缩写′</returns>
        public static String GetPYString(string str)
        {
            string tempStr = "";
            foreach (char c in str)
            {
                if ((int)c >= 33 && (int)c <= 126)
                {//字母和符号原-样保留
                    tempStr += c.ToString();
                }
                else
                {//累加拼音声母

                    tempStr += GetPYChar(c.ToString());
                }
            }
            return tempStr;
        }

        /// <summary>
        /// 取单个字符的拼音声母        /// Code By MuseStudio@hotmail.com
        /// 2004-11-30
        /// </summary>
        /// <param name="c">要转换的单个汉字</param>
        /// <returns>拼音声母</returns>
        public static String GetPYChar(string c)
        {
            byte[] array = new byte[2];
            array = System.Text.Encoding.Default.GetBytes(c);
            //如果运行环境为英文系统,则必须要把 区域与语言 Administrative 选项卡中的 Language for non-Unicode programs 设置为Chinese(Simplified,PRC)
            //否则将会出现数组异常
            //array.lenght 只为 1
            int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));

            if (i < 0xB0A1) return "*";
            if (i < 0xB0C5) return "a";
            if (i < 0xB2C1) return "b";
            if (i < 0xB4EE) return "c";
            if (i < 0xB6EA) return "d";
            if (i < 0xB7A2) return "e";
            if (i < 0xB8C1) return "f";
            if (i < 0xB9FE) return "g";
            if (i < 0xBBF7) return "h";
            if (i < 0xBFA6) return "g";
            if (i < 0xC0AC) return "k";
            if (i < 0xC2E8) return "l";
            if (i < 0xC4C3) return "m";
            if (i < 0xC5B6) return "n";
            if (i < 0xC5BE) return "o";
            if (i < 0xC6DA) return "p";
            if (i < 0xC8BB) return "q";
            if (i < 0xC8F6) return "r";
            if (i < 0xCBFA) return "s";
            if (i < 0xCDDA) return "t";
            if (i < 0xCEF4) return "w";
            if (i < 0xD1B9) return "x";
            if (i < 0xD4D1) return "y";
            if (i < 0xD7FA) return "z";

            return "*";

        }
    }
}
